add input.Buffered and input.Keyboard and a binary to try combo

src/device/input/.keyboard_integration.d/main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"log"
+	"mayhem-party/src/device/input"
+)
+
+func main() {
+	k := input.NewBuffered(input.NewKeyboard())
+	defer func() {
+		recover()
+		k.Close()
+	}()
+
+	log.Printf("try the keyboard")
+	n := 5
+	for n > 0 {
+		result := k.Read()
+		n -= len(result)
+		for j := range result {
+			log.Printf("[%d][%d] %c|%v", n, j, result[j].Char, result[j].Down)
+		}
+	}
+}